News Archive

Great St Bernard safety tunnel breakthrough

Contractor, Italian Condotte S.p.A has achieved breakthrough using a Cat double shield hard rock TBM on the 5.8km long Service and Safety Tunnel running parallel to the existing Great St. Bernard Tunnel. The new bore was built to improve safety, efficiency and ventilation of the Great t Bernard Tunnel with the two being linked by 23 cross passages every 240m. Read more

Second Gotthard Road Tunnel planned

The Swiss government has announced it has decided to build a second road tunnel through the Gotthard mountain range in central Switzerland at a cost to the Swiss Federation of some US$2.91bn. The second tunnel, planned to open by 2027, will allow the current 16km Gotthard Road Tunnel to be closed for much needed renovation works. Read more

London’s Silvertown Tunnel given government boost

The UK Secretary of State for Transport, the Rt Hon Justine Greening MP has designated the proposed new Silvertown Tunnel Thames River crossing a ‘Nationally Significant Infrastructure Project’ significantly increasing its prospects of being open for traffic in 2021. Transport for London (TfL) will now take forward design work and undertake further consultation later this year with Londoners, local boroughs, business and stakeholders, in readiness for the formal development consent order process. Read more

6.6m NFM for Moscow

NFM Technologies has just been awarded the supply contract for a 6.6m diameter EPBM, that will be used in the construction of one of the principal sections of the second circular line for the Moscow metro system. Read more

Laing O’Rourke for Tottenham Court contract

Crossrail has today announced its intention to award the main construction contract for the Western Ticket Hall at Tottenham Court Road – C422 Tottenham Court Road station to Laing O’Rourke Construction Ltd. In line with European procurement rules the contract is subject to a ten-day standstill period afer which the award will be confirmed. Read more

Tender starts for North West Rail Link

NSW Premier and Minister for Western Sydney Barry O’Farrell and NSW Minister for Transport Gladys Berejiklian yesterday announced the multi-billion dollar tender process to build the North West Rail Link has started. “We’re getting on with the job of building the North West Rail Link – expressions of interest will be called later this month for the multi-billion dollar construction contract to build 15.5km of (twin-bore) tunnels between Bella Vista and Epping,” Mr O’Farrell said. “The first tunnel boring machines will be in the ground in 2014 – on schedule.” Read more

Crossrail Eastern TBM assembly begins

Assembly of Crossrail’s next 1,000 tonne Herrenknecht TBM, Elizabeth, has commenced at Limmo Peninsula in east London. During the next four months, components for the 150m long machine will be transported to the Limmo worksite from Tilbury Docks and reassembled before being lowered in sections into two huge shafts. Elizabeth will then begin constructing the first of Crossrail’s two eastern running tunnels between Docklands and central London. Read more

Oahu conveyance tunnel progresses

A final alignment has been selected for the 3.2-mile (4.8km) long 10’-12’ diameter Kaneohe-Kailua tunnel, under Oneawa Hills, in Oahu, Hawaii. The project, which is currently under preliminary design by Wilson Okamoto Corporation (scheduled for 60% completion in late August), is thc Kaneohe-Kailua Sewer Tunnel project, which will be constructed by the City and County of Honolulu. Read more

Boring completes on Germany’s XFEL

Construction of the US$304M, 5.7km long maze of 11 tunnels for the US$1.4bn European X-Ray Free-Electron Laser project (European XFEL) in Germany has been completed. The complex network of tunnels between Hamburg-Bahrenfeld and Schenefeld in Schleswig-Holstein were built by the ARGE Tunnel XFEL JV comprising Hochtief and Bilfinger Berger using two Herrenknecht Mixshields, of 6.17m and 5.45m diameter erecting a segmental lining through boulder clay, sands and gravel. Read more

Shell award Corrib gas tunnel

BAM Civil Ltd and Wayss & Freytag Ingenieurbau AG have been awarded the contract by Shell E&P Ireland Ltd for the construction of a 4.9km tunnel as part of the Corrib gas project, one of the largest energy infrastructure developments in Ireland in 2012. Read more

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